content: package com.alibaba.tesla.gateway.server.util;
  
  /**
   * 常量
   * @author tandong.td@alibaba-inc.com
   */
  public class GatewayConstants {
  
      /**
       * 当前运行环境类型
       * Internal 集团内
       */
      public static final String ENVIRONMENT_INTERNAL = "Internal";
      public static final String ENVIRONMENT_OXS = "OXS";
      public static final String ENVIRONMENT_STANDALONE = "Standalone";
      public static final String ENVIRONMENT_V3 = "ApsaraStack";
      public static final String ENVIRONMENT_DXZ = "DXZ";
  
      public static final String ENV_LOCAL = "local";
      public static final String ENV_DAILY = "daily";
      public static final String ENV_PRE = "pre";
      public static final String ENV_PROD = "prod";
  
      /**
       * CONTEXT中存在的key名称
       * START_TIME：用于统计请求开始时间
       */
      public static final String START_TIME = "request_start_time";
  
      /**
       * 用于在 request 中设置的 timer 计时
       */
      public static final String ATTR_REQUEST_TIMER = "REQUEST_TIMER";
  
  }
  